<template>
  <div>
    <!--    面包屑-->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>用户管理</el-breadcrumb-item>
      <el-breadcrumb-item>用户列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!--    卡片-->
    <el-card class="box-card">
      <el-row :gutter="20">
        <el-col :span="8">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserlist"
                    class="input-with-select">
            <el-button slot="append" icon="el-icon-search" @click="getUserlist"></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
        </el-col>
      </el-row>
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.mg_state"
              @change="userStateChange(scope.row)"
              active-color="#13ce66"
              inactive-color="#ff4949">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作">

          <template slot-scope="scope">
            <el-row>
              <!-- 修改按钮 -->
              <el-button type="primary" icon="el-icon-edit" size="mini"
                         @click="showEditDialog(scope.row.id)"></el-button>
              <!-- 删除按钮 -->
              <el-button type="danger" icon="el-icon-delete" size="mini"
                         @click="removeUserById(scope.row.id)"></el-button>
              <!-- 分配角色按钮 -->
              <el-tooltip class="item" effect="dark" content="分配角色" placement="top-start">
                <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)"></el-button>
              </el-tooltip>

            </el-row>
          </template>
        </el-table-column>
      </el-table>

      <el-pagination
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum"
        :page-sizes="[1, 2, 5, 10]"
        :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper"
        :total="total">
      </el-pagination>
      <!-- 分配角色的对话框 -->
      <el-dialog title="分配角色" :visible.sync="setRoleDialogVisible" width="50%" @close="setRoleDialogClosed">
        <!-- 内容主体区域 -->
        <div>
          <p>当前的用户：{{userInfo.username}}</p>
          <p>当前的角色：{{userInfo.role_name}}</p>
          <p>分配新角色：
            <el-select v-model="selectedRoleId" placeholder="请选择">
              <el-option
                v-for="item in rolesList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id">
              </el-option>
            </el-select>
          </p>
        </div>

        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
        <el-button @click="setRoleDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
      </span>
      </el-dialog>
      <!-- 添加用户的对话框 -->
      <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
        <!-- 内容主体区域 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 底部区域 -->
        <span slot="footer" class="dialog-footer">
        <el-button @click="addDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="addUser">确 定</el-button>
      </span>
      </el-dialog>

      <!-- 修改用户的对话框 -->
      <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <span slot="footer" class="dialog-footer">
        <el-button @click="editDialogVisible = false">取 消</el-button>
        <el-button type="primary" @click="editUserInfo">确 定</el-button>
      </span>
      </el-dialog>

    </el-card>


  </div>
</template>
<script>
  export default {
    data() {
      // 验证邮箱的规则
      var checkEmail = (rule, value, cb) => {
        // 验证邮箱的正则表达式
        const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
        if (regEmail.test(value)) {
          // 合法的邮箱
          return cb()
        }
        cb(new Error('请输入合法的邮箱'))
      }
      // 验证手机号的规则
      var checkMobile = (rule, value, cb) => {
        // 验证手机号的正则表达式
        const regMobile = /^(0|86|17951)?(13[0-9]|15[012356789]|17[678]|18[0-9]|14[57])[0-9]{8}$/

        if (regMobile.test(value)) {
          return cb()
        }
        cb(new Error('请输入合法的手机号'))
      }
      return {
        addForm: {
          username: '',
          email: '',
          mobile: ''
        },
        editForm: {
          username: '',
          password: '',
          email: '',
          mobile: ''
        },
        //所有角色数据列表
        rolesList: [],
        //选中的角色id
        selectedRoleId: '',
        userInfo: {},
        setRoleDialogVisible: false,
        editDialogVisible: false,
        addDialogVisible: false,
        userlist: [],
        total: 0,
        queryInfo: {
          query: '',
          // 当前的页数
          pagenum: 1,
          // 当前每页显示多少条数据
          pagesize: 2
        },
        editFormRules: {
          email: [
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            { validator: checkEmail, trigger: 'blur' }
          ],
          mobile: [
            { required: true, message: '请输入手机号', trigger: 'blur' },
            { validator: checkMobile, trigger: 'blur' }
          ]
        },
        addFormRules: {
          username: [
            { required: true, message: '请输入用户名', trigger: 'blur' },
            {
              min: 3,
              max: 10,
              message: '用户名的长度在3~10个字符之间',
              trigger: 'blur'
            }
          ],
          password: [
            { required: true, message: '请输入密码', trigger: 'blur' },
            {
              min: 6,
              max: 15,
              message: '用户名的长度在6~15个字符之间',
              trigger: 'blur'
            }
          ],
          email: [
            { required: true, message: '请输入邮箱', trigger: 'blur' },
            { validator: checkEmail, trigger: 'blur' }
          ],
          mobile: [
            { required: true, message: '请输入手机号', trigger: 'blur' },
            { validator: checkMobile, trigger: 'blur' }
          ]
        }
      }
    },

    created() {
      this.getUserlist()

    },
    methods: {
      // 监听分配角色对话框的关闭事件
      setRoleDialogClosed() {
        this.selectedRoleId = ''
        this.userInfo = {}
      },
      // 点击按钮，分配角色
      async saveRoleInfo() {
        if (!this.selectedRoleId) {
          return this.$message.error('请选择要分配的角色！')
        }

        const { data: res } = await this.$http.put(
          `users/${this.userInfo.id}/role`,
          {
            rid: this.selectedRoleId
          }
        )

        if (res.meta.status !== 200) {
          return this.$message.error('更新角色失败！')
        }
        this.getUserlist()
        this.setRoleDialogVisible = false
        this.$message.success('更新角色成功！')
      },
      // 展示分配角色的对话框
      async setRole(userInfo) {
        this.userInfo = userInfo

        // 在展示对话框之前，获取所有角色的列表
        const { data: res } = await this.$http.get('roles')
        if (res.meta.status !== 200) {
          return this.$message.error('获取角色列表失败！')
        }

        this.rolesList = res.data

        this.setRoleDialogVisible = true
      },
      // 删除确认
      removeUserById(id) {
        this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(async () => {
          const { data: res } = await this.$http.delete('users/' + id)
          if (res.meta.status != 200) {
            return this.$message.error('删除失败')
          }
          this.$message({
            type: 'success',
            message: '删除成功!'
          })
          this.getUserlist()
        }).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
      },
      editUserInfo() {
        this.$refs.editFormRef.validate(async valid => {
          if (!valid) return
          const { data: res } = await this.$http.put('users/' + this.editForm.id, {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          })
          if (res.meta.status != 200) {

            return this.$message.error('更新失败')

          }

          this.editDialogVisible = false
          return this.$message.success('更新成功')
          this.getUserlist()
        })
      },
      // 编辑用户
      editDialogClosed() {
        this.$refs.editFormRef.resetFields()
      },
      async showEditDialog(id) {
        this.editDialogVisible = true
        const { data: res } = await this.$http.get('users/' + id)
        if (res.meta.status != 200) {
          return this.$message.error('查询失败')
        }
        // console.log(res)
        this.editForm = res.data

      },
      addUser() {
        this.$refs.addFormRef.validate(async valid => {
          if (!valid) return

          const { data: res } = await this.$http.post('users', this.addForm)
          if (res.meta.status != 201) {

            return this.$message.error('添加失败')

          }

          this.addDialogVisible = false
          return this.$message.success('添加成功')
          this.getUserlist()
        })
      },
      // 关闭对话框
      addDialogClosed() {
        this.$refs.addFormRef.resetFields()
      },
      async userStateChange(userinfo) {
        const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
        if (res.meta.status != 200) {
          userinfo.mg_state = !userinfo.mg_state
          return this.$message.error('failure')
        }
        return this.$message.success('success')
      },
      handleSizeChange(val) {
        this.queryInfo.pagesize = val
        this.getUserlist()
        // console.log(`每页 ${val} 条`)
      },
      handleCurrentChange(val) {
        this.queryInfo.pagenum = val
        this.getUserlist()
        // console.log(`当前页: ${val}`)
      },
      async getUserlist() {
        const { data: res } = await this.$http.get('users', {
          params: this.queryInfo
        })
        if (res.meta.status != 200) {

          return this.$message.error('failure')
        }
        this.userlist = res.data.users
        this.total = res.data.total
        console.log(res)
      }
    }
  }
</script>
